• Whatever version of Windows you're running, enjoy that "good as new" speed usually only experienced on a brand new PC.

Just install it and forget it. This powerful utility works continuously, automatically and quietly in the background on your PC. You can set it as your schedule or just let it work automatically when your PC is idle.

Fully optimizes Windows for ultimate system performance and top Internet speed by unleashing the built-in power of your system, based on how you use your PC and your network configuration. Turns your PC into a business PC, a productive workstation, an entertainment center, a game machine, or a scientific computing PC.

Boosts your system's performance by cleaning missing files, destroying unwanted files, deleting obsolete files, and removing junk files. Supports clean-up of over 50 different types of junk files.

Safely cleans registry junk, compacts registry bloats and defragments the whole registry for maximum performance. Finds and fixes the registry errors that other utilities miss with "Deep Scan" technology.

Turbo Boost can speed up your PC by shutting down unnecessary background processes, cleaning RAM, and intensifying processor performance.

Fast, powerfully and incredibly effective Disk Defrag function to defragment hard drives - up to 10 times faster than other defragmentation tools.

Detects and analyzes Windows security environment. Scans and removes spyware and adware using up-to-date definition files. Prevents spyware, hackers and hijackers from installing malicious programs on your computer. Erases and updates your PC's activity histories.

Keeps your PC stable and running at peak efficiency. Continuously repairs system configurations by eliminating system bottlenecks and preventing crashes.

• System Optimization - More stable and securer, and fully support optimization for Windows 8.1 latest version.
• Privacy Sweep - Added cleaning for iTunes, Microsoft One Drive, Real VNC 5, Tag & Rename, Tango, 3D Pinball Ultimate Demo, avg internet security, bing desktop 6.0 and blio.
• Privacy Sweep - Enhanced the cleaning for Winpatrol 31, Adobe Flash Player 14.0, Thunderbird 31.0, Adobe Air 14.0.
• Uninstaller 3.3 - Boosted launching speed, enhanced Forced Uninstall, and improved File Shredder.
• AutoCare - Improved AutoCare to provide safer and smarter auto care service (PRO Only).
• Latest Browser - Fully supported Chrome 36, Firefox 31, and Opera 23.
• Language Optimization - Optimized a few language strings to clear up confusion.
• User Interface - Minor UI improvements.
• Minor Improvements - Fixed General Bugs.